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Finding the Fourth Proportional to 301,130.40, 451,695.60 and 160,816.80

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Solution

The fourth proportional to 301,130.40, 451,695.60 and 160,816.80 is: 241,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,130.40 : 451,695.60 = 160,816.80 : x
  2. Step 2: Convert to fraction form
    301,130.40/451,695.60 = 160,816.80/x
  3. Step 3: Cross multiply
    301,130.40x = 451,695.60 × 160,816.80
  4. Step 4: Simplify right side
    301,130.40x = 72,640,240,966.08
  5. Step 5: Solve for x
    x = 72,640,240,966.08/301,130.40
  6. Step 6: Final answer
    x = 241,225.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.